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<div style="font-family: 宋体,Verdana,Arial,Helvetica,sans-serif; line-height: 1.5;">declare @a int</div>
<div style="font-family: 宋体,Verdana,Arial,Helvetica,sans-serif; line-height: 1.5;">declare @b int</div>
<div style="font-family: 宋体,Verdana,Arial,Helvetica,sans-serif; line-height: 1.5;">set @a = 1 --需要显示的数字</div>
<div style="font-family: 宋体,Verdana,Arial,Helvetica,sans-serif; line-height: 1.5;">set @b = 3 --显示位数</div>
select right(cast(power(10,<span style="line-height: 21px;">@b</span>) as varchar)+@a,@b)
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